# Karl-Josef Langen

> researcher

**Wikidata**: [Q39182752](https://www.wikidata.org/wiki/Q39182752)  
**Source**: https://4ort.xyz/entity/karl-josef-langen


## References

1. Integrated Authority File
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-1101-5075/education/2748588)
3. Virtual International Authority File
4. [Source](https://data.dnb.de/opendata/authorities-gnd-person_lds.rdf.gz)
5. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-1101-5075/external-identifiers/157190)
6. [SciGraph](https://scigraph.springernature.com/person.0676240655.76)